BPG致力于知识的发现和传播
Total Visits of This Article
2018 | 总访问次数
排名 国家/地区 数量 占比
1 China 115 59.3%
2 United States 50 25.8%
3 Germany 14 7.2%
4 Netherlands 5 2.6%
5 Romania 3 1.5%
6 Sweden 1 0.5%
7 United Kingdom 1 0.5%
8 Republic of Korea 1 0.5%
9 Hong Kong 1 0.5%
10 Japan 1 0.5%
11 Finland 1 0.5%
12 Australia 1 0.5%